proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_set_header Host $http_host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_connect_timeout 30;
proxy_send_timeout 60;
proxy_read_timeout 60;
proxy_buffering	on;
proxy_buffer_size 64k;
proxy_buffers 4 64k;

